
.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "gallery/axes_grid1/demo_axes_divider.py"
.. LINE NUMBERS ARE GIVEN BELOW.

.. only:: html

    .. meta::
        :keywords: codex

    .. note::
        :class: sphx-glr-download-link-note

        :ref:`Go to the end <sphx_glr_download_gallery_axes_grid1_demo_axes_divider.py>`
        to download the full example code.

.. rst-class:: sphx-glr-example-title

.. _sphx_glr_gallery_axes_grid1_demo_axes_divider.py:


============
Axes divider
============

Axes divider to calculate location of Axes and
create a divider for them using existing Axes instances.

.. GENERATED FROM PYTHON SOURCE LINES 9-110

.. code-block:: Python


    import matplotlib.pyplot as plt

    from matplotlib import cbook


    def get_demo_image():
        z = cbook.get_sample_data("axes_grid/bivariate_normal.npy")  # 15x15 array
        return z, (-3, 4, -4, 3)


    def demo_simple_image(ax):
        Z, extent = get_demo_image()

        im = ax.imshow(Z, extent=extent)
        cb = plt.colorbar(im)
        cb.ax.yaxis.set_tick_params(labelright=False)


    def demo_locatable_axes_hard(fig):
        from mpl_toolkits.axes_grid1 import Size, SubplotDivider

        divider = SubplotDivider(fig, 2, 2, 2, aspect=True)

        # Axes for image
        ax = fig.add_subplot(axes_locator=divider.new_locator(nx=0, ny=0))
        # Axes for colorbar
        ax_cb = fig.add_subplot(axes_locator=divider.new_locator(nx=2, ny=0))

        divider.set_horizontal([
            Size.AxesX(ax),  # main Axes
            Size.Fixed(0.05),  # padding, 0.1 inch
            Size.Fixed(0.2),  # colorbar, 0.3 inch
        ])
        divider.set_vertical([Size.AxesY(ax)])

        Z, extent = get_demo_image()

        im = ax.imshow(Z, extent=extent)
        plt.colorbar(im, cax=ax_cb)
        ax_cb.yaxis.set_tick_params(labelright=False)


    def demo_locatable_axes_easy(ax):
        from mpl_toolkits.axes_grid1 import make_axes_locatable

        divider = make_axes_locatable(ax)

        ax_cb = divider.append_axes("right", size="5%", pad=0.05)
        fig = ax.get_figure()
        fig.add_axes(ax_cb)

        Z, extent = get_demo_image()
        im = ax.imshow(Z, extent=extent)

        plt.colorbar(im, cax=ax_cb)
        ax_cb.yaxis.tick_right()
        ax_cb.yaxis.set_tick_params(labelright=False)


    def demo_images_side_by_side(ax):
        from mpl_toolkits.axes_grid1 import make_axes_locatable

        divider = make_axes_locatable(ax)

        Z, extent = get_demo_image()
        ax2 = divider.append_axes("right", size="100%", pad=0.05)
        fig1 = ax.get_figure()
        fig1.add_axes(ax2)

        ax.imshow(Z, extent=extent)
        ax2.imshow(Z, extent=extent)
        ax2.yaxis.set_tick_params(labelleft=False)


    def demo():
        fig = plt.figure(figsize=(6, 6))

        # PLOT 1
        # simple image & colorbar
        ax = fig.add_subplot(2, 2, 1)
        demo_simple_image(ax)

        # PLOT 2
        # image and colorbar with draw-time positioning -- a hard way
        demo_locatable_axes_hard(fig)

        # PLOT 3
        # image and colorbar with draw-time positioning -- an easy way
        ax = fig.add_subplot(2, 2, 3)
        demo_locatable_axes_easy(ax)

        # PLOT 4
        # two images side by side with fixed padding.
        ax = fig.add_subplot(2, 2, 4)
        demo_images_side_by_side(ax)

        plt.show()


    demo()


.. _sphx_glr_download_gallery_axes_grid1_demo_axes_divider.py:

.. only:: html

  .. container:: sphx-glr-footer sphx-glr-footer-example

    .. container:: sphx-glr-download sphx-glr-download-jupyter

      :download:`Download Jupyter notebook: demo_axes_divider.ipynb <demo_axes_divider.ipynb>`

    .. container:: sphx-glr-download sphx-glr-download-python

      :download:`Download Python source code: demo_axes_divider.py <demo_axes_divider.py>`

    .. container:: sphx-glr-download sphx-glr-download-zip

      :download:`Download zipped: demo_axes_divider.zip <demo_axes_divider.zip>`


.. only:: html

 .. rst-class:: sphx-glr-signature

    `Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_
